如何为 Visual Studio 2019 安装“安装程序项目”

Question

当我尝试为 Visual Studio 2019 安装 Installer Project-Package 时，我会收到以下日志：

27.02.2020 10:30:57 - -------------------------------------------
27.02.2020 10:30:57 - Microsoft VSIX Installer
27.02.2020 10:30:57 - -------------------------------------------
27.02.2020 10:31:03 - Initializing Install...
27.02.2020 10:31:07 - Extension Details...
27.02.2020 10:31:07 -   Identifier         : VSInstallerProjects
27.02.2020 10:31:07 -   Name               : Microsoft Visual Studio Installer Projects
27.02.2020 10:31:07 -   Author             : Microsoft
27.02.2020 10:31:07 -   Version            : 0.9.6
27.02.2020 10:31:07 -   Description        : This official Microsoft extension provides support for Visual Studio Installer Projects in Visual Studio.
27.02.2020 10:31:07 -   Locale             : en-US
27.02.2020 10:31:07 -   MoreInfoURL        : 
27.02.2020 10:31:07 -   InstalledByMSI     : False
27.02.2020 10:31:07 -   SupportedFrameworkVersionRange : [4.6.1,)
27.02.2020 10:31:07 - 
27.02.2020 10:31:09 -   SignatureState     : ValidSignature
27.02.2020 10:31:09 -   SignedBy           : Microsoft Corporation
27.02.2020 10:31:09 -   Certificate Info   : 
27.02.2020 10:31:09 -       -------------------------------------------------------
27.02.2020 10:31:09 -       [Subject]       : CN=Microsoft Corporation, OU=OPC, O=Microsoft Corporation, L=Redmond, S=Washington, C=US
27.02.2020 10:31:09 -       [Issuer]        : CN=Microsoft Code Signing PCA 2010, O=Microsoft Corporation, L=Redmond, S=Washington, C=US
27.02.2020 10:31:09 -       [Serial Number] : 3300000305DFD27DFE8F86CDB3000000000305
27.02.2020 10:31:09 -       [Not Before]    : 05.06.2019 19:36:58
27.02.2020 10:31:09 -       [Not After]     : 03.06.2020 19:36:58
27.02.2020 10:31:09 -       [Thumbprint]    : 417A476992589EA95299F5057960010675759457
27.02.2020 10:31:09 - 
27.02.2020 10:31:09 -   Supported Products : 
27.02.2020 10:31:09 -       Microsoft.VisualStudio.Community
27.02.2020 10:31:09 -           Version : [15.0,17.0)
27.02.2020 10:31:09 - 
27.02.2020 10:31:09 -   References         : 
27.02.2020 10:31:09 -   Prerequisites      : 
27.02.2020 10:31:09 -       -------------------------------------------------------
27.02.2020 10:31:09 -       Identifier   : Microsoft.VisualStudio.MinShell
27.02.2020 10:31:09 -       Name         : Visual Studio Min Shell
27.02.2020 10:31:09 -       Version      : [15.0.26205,17.0)
27.02.2020 10:31:09 - 
27.02.2020 10:31:09 -       -------------------------------------------------------
27.02.2020 10:31:09 -       Identifier   : Microsoft.Component.ClickOnce
27.02.2020 10:31:09 -       Name         : ClickOnce Publishing
27.02.2020 10:31:09 -       Version      : [15.0,17.0)
27.02.2020 10:31:09 - 
27.02.2020 10:31:09 - Signature Details...
27.02.2020 10:31:09 -   Extension is signed with a valid signature.
27.02.2020 10:31:09 - 
27.02.2020 10:31:09 - System.Runtime.InteropServices.COMException (0x80070490): Element nicht gefunden. (Exception from HRESULT: 0x80070490)
   bei Microsoft.VisualStudio.Setup.Configuration.ISetupConfiguration2.GetInstanceForPath(String path)
   bei VSIXInstaller.LocationBasedSKU..ctor(String appidInstallPath, String appidName, Version vsVersion, String edition, String rootSuffix)
   bei VSIXInstaller.LocationBasedSKU..ctor(String appidInstallPath, String appidName, Version vsVersion, String edition, String rootSuffix, IntPtr alternateUserToken)
   bei VSIXInstaller.ExtensionService.GetInstallableDataImpl(IInstallableExtension extension, String extensionPackParentName, Boolean isRepairSupported, IStateData stateData, IEnumerable`1& skuData)
   bei VSIXInstaller.ExtensionService.GetInstallableData(String vsixPath, String extensionPackParentName, Boolean isRepairSupported, IStateData stateData, IEnumerable`1& skuData)
   bei VSIXInstaller.ExtensionService.ComputeInstallableExtensions(IStateData stateData, Boolean isRepairSupported, Boolean isExtensionPack, IDictionary`2 skuDataMapping, IList`1 installableExtensionsPaths)
   bei VSIXInstaller.App.Initialize(Boolean isRepairSupported)
   bei VSIXInstaller.App.Initialize()
   bei System.Threading.Tasks.Task`1.InnerInvoke()
   bei System.Threading.Tasks.Task.Execute()
--- Ende der Stapelüberwachung vom vorhergehenden Ort, an dem die Ausnahme ausgelöst wurde ---
   bei Microsoft.VisualStudio.Telemetry.WindowsErrorReporting.WatsonReport.GetClrWatsonExceptionInfo(Exception exceptionObject)

有谁知道这些错误的含义以及我能做什么？

Answer 1

有谁知道这些错误是什么意思以及我能做什么？

Microsoft Visual Studio Installer Projects扩展在我这边VS2019安装成功。所以我怀疑你的 VS 环境有问题。请按照以下步骤解决您的问题：

1)删除C:\Users\user\AppData\Local\Microsoft\VisualStudio\16.0_xxxxx\ComponentModelCache下的所有VS2019组件缓存

2)禁用Extensions-->Manage Extensions下的任何第三方扩展，以防止任何其他扩展影响它。

3) VS 安装程序中的do a repair

4) 将您的 VS2019 更新到最新版本，不要忘记更新您的操作系统版本，以防有一些修复。